Merge pull request #589 from PiBa-NL/hap_statspage

haproxy-devel, integrated stats page with stick-table info WebGUI

1 files changed, 256 insertions, 0 deletions

diff --git a/config/haproxy-devel/haproxy_stats.php b/config/haproxy-devel/haproxy_stats.php
new file mode 100644
index 00000000..8ad04c92
--- /dev/null
+++ b/config/haproxy-devel/haproxy_stats.php
@@ -0,0 +1,256 @@
+<?php
+/*
+	haproxy_stats.php
+	part of pfSense (http://www.pfsense.com/)
+	Copyright (C) 2013 PiBa-NL
+	All rights reserved.
+
+	Redistribution and use in source and binary forms, with or without
+	modification, are permitted provided that the following conditions are met:
+
+	1. Redistributions of source code must retain the above copyright notice,
+	   this list of conditions and the following disclaimer.
+
+	2. Redistributions in binary form must reproduce the above copyright
+	   notice, this list of conditions and the following disclaimer in the
+	   documentation and/or other materials provided with the distribution.
+
+	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+	POSSIBILITY OF SUCH DAMAGE.
+*/
+require_once("authgui.inc");
+require_once("config.inc");
+require_once("haproxy_socketinfo.inc");
+
+$pconfig = $config['installedpackages']['haproxy'];
+if (isset($_GET['haproxystats']) || isset($_GET['scope']) || (isset($_POST) && isset($_POST['action']))){
+	$fail = false;
+	try{
+		$request = "";
+		if (is_array($_GET)){
+			foreach($_GET as $key => $arg)
+				$request .= ";$key=$arg";
+		}
+		$options = array(
+		  'http'=>array(
+			'method'=>"POST",
+			'header'=>"Accept-language: en\r\n".
+			          "Content-type: application/x-www-form-urlencoded\r\n",
+			'content'=>http_build_query($_POST)
+		));
+		$context = stream_context_create($options);
+		$response = file_get_contents("http://127.0.0.1:{$pconfig['localstatsport']}/haproxy_stats.php?haproxystats=1".$request, false, $context);
+		if (is_array($http_response_header)){
+			foreach($http_response_header as $header){
+				if (strpos($header,"Refresh: ") == 0)
+					header($header);
+			}
+		}
+		$fail = $response === false;
+	} catch (Exception $e) {
+		$fail = true;
+	}
+	if ($fail)
+		$response = "<br/><br/>Make sure HAProxy settings are applied and HAProxy is enabled and running";
+	echo $response;
+	exit(0);
+}
+require_once("guiconfig.inc");
+if (isset($_GET['showsticktablecontent'])){
+	header("Refresh: 2");
+}
+$shortcut_section = "haproxy";
+require_once("haproxy.inc");
+require_once("certs.inc");
+require_once("haproxy_utils.inc");
+require_once("pkg_haproxy_tabs.inc");
+
+if (!is_array($config['installedpackages']['haproxy']['ha_backends']['item'])) {
+	$config['installedpackages']['haproxy']['ha_backends']['item'] = array();
+}
+$a_frontend = &$config['installedpackages']['haproxy']['ha_backends']['item'];
+
+function haproxy_add_stats_example() {
+	global $config, $d_haproxyconfdirty_path;
+	$a_backends = &$config['installedpackages']['haproxy']['ha_pools']['item'];
+	$a_frontends = &$config['installedpackages']['haproxy']['ha_backends']['item'];
+	$webcert = haproxy_find_create_certificate("HAProxy stats default");
+	
+	$backend = array();
+	$backend["name"] = "HAProxy_stats_ssl_backend";
+	$backend["stats_enabled"] = "yes";
+	$backend["stats_uri"] = "/";
+	$backend["stats_refresh"] = "10";
+	$a_backends[] = $backend;
+	$changecount++;
+	
+	$frontend = array();
+	$frontend["name"] = "HAProxy_stats_ssl_frontend";
+	$frontend["status"] = "active";
+	$frontend["type"] = "http";
+	$frontend["port"] = "444";
+	$frontend["extaddr"] = "lan_ipv4";
+	$frontend["ssloffload"] = "yes";
+	$frontend["ssloffloadcert"] = $webcert['refid'];
+	$frontend["backend_serverpool"] = $backend["name"];
+	$a_frontends[] = $frontend;
+	$changecount++;
+	$changedesc = "add new HAProxy stats example";
+	
+	if ($changecount > 0) {
+		echo "touching: $d_haproxyconfdirty_path";
+		touch($d_haproxyconfdirty_path);
+		write_config($changedesc);
+	}
+}
+	
+if (isset($_GET['add_stats_example'])) {
+	haproxy_add_stats_example();
+	write_config();
+	touch($d_haproxyconfdirty_path);
+	header("Location: haproxy_listeners.php");
+	exit;
+}
+
+if ($_POST) {
+	if ($_POST['apply']) {
+		$result = haproxy_check_and_run($savemsg, true);
+		if ($result)
+			unlink_if_exists($d_haproxyconfdirty_path);
+	}
+}
+
+$pfSversion = str_replace("\n", "", file_get_contents("/etc/version"));
+if(strstr($pfSversion, "1.2"))
+	$one_two = true;
+	
+$pgtitle = "Services: HAProxy: Stats";
+include("head.inc");
+
+?>
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<form action="haproxy_stats.php" method="post">
+<?php if($one_two): ?>
+<p class="pgtitle"><?=$pgtitle?></p>
+<?php endif; ?>
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<?php if ($savemsg) print_info_box($savemsg); ?>
+<?php if (file_exists($d_haproxyconfdirty_path)): ?>
+<?php print_info_box_np("The haproxy configuration has been changed.<br/>You must apply the changes in order for them to take effect.");?><br/>
+<?php endif; ?>
+</form>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+  <tr><td class="tabnavtbl">
+  <?php
+	haproxy_display_top_tabs_active($haproxy_tab_array['haproxy'], "stats");
+  ?>
+  </td></tr>
+  <tr>
+    <td>
+	<div id="mainarea">
+		<table class="tabcont" width="100%" height="100%" cellspacing="0">
+		<tr>
+		<?
+if (isset($_GET['showsticktablecontent'])){
+	$sticktablename = $_GET['showsticktablecontent'];
+echo "<td colspan='2'>";
+	echo "TESTJe<br/>";
+	$res = haproxy_socket_command("show table $sticktablename");
+	foreach($res as $line){
+		echo "<br/>".print_r($line,true);
+	}
+echo "</td>";
+} else {
+?>
+		<td colspan="2">
+			This page contains a 'stats' page available from haproxy accessible through the pfSense gui.<br/>
+			<br/>
+			As the page is forwarded through the pfSense gui, this might cause some functionality to not work.<br/>
+			Though the normal haproxy stats page can be tweaked more, and doesn't use a user/pass from pfSense itself.<br/>
+			Some examples are configurable automatic page refresh,<br/>
+			only showing certain servers, not providing admin options, and can be accessed from wherever the associated frontend is accessible.(as long as rules permit access)<br/>
+			To use this or for simply an example how to use SSL-offloading configure stats on either a real backend while utilizing the 'stats uri'.
+			Or create a backend specifically for serving stats, for that you can start with  the 'stats example' template below.<br/>
+		</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+		</tr>
+		<tr>
+			<td colspan="2" valign="top" class="listtopic">Stats example template</td>
+		</tr>
+		<tr>
+			<td width="22%" valign="top" class="vncell">Example</td>
+			<td class="vtable">
+				As an basic example you can use the link below to create a 'stats' frontend/backend page which offers with more options like setting user/password and 'admin mode' when you go to the backend settings.<br/>
+				<a href="haproxy_stats.php?add_stats_example=1">TEMPLATE: Create stats example configuration using a frontend/backend combination with ssl</a><br/>
+				<br/>
+				After applying the changes made by the template use this link to visit the stats page: <a target="_blank" href="https://<?=get_interface_ip("lan");?>:444">https://pfSense-LAN-ip:444/</a>
+			</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+		</tr>
+		<tr>
+			<td colspan="2" valign="top" class="listtopic">HAProxy stick-tables</td>
+		</tr>
+		<tr>
+			<td colspan="2" valign="top" class="vncell">	
+			These tables are used to store information for session persistence and can be used with ssl-session-id information, application-cookies, or other information that is used to persist a user to a server.
+			<table class="tabcont sortable" id="sortabletable" width="100%" cellspacing="0" cellpadding="6" border="0">
+			<head>
+				<td class="listhdrr">Stick-table</td>
+				<td class="listhdrr">Type</td>
+				<td class="listhdrr">Size</td>
+				<td class="listhdrr">Used</td>
+			</head>
+			<? $tables = haproxy_get_tables();
+			foreach($tables as $key => $table) { ?>
+			<tr>
+				<td class="listlr"><a href="/haproxy_stats.php?showsticktablecontent=<?=$key;?>"><?=$key;?></td>
+				<td class="listr"><?=$table['type'];?></td>
+				<td class="listr"><?=$table['size'];?></td>
+				<td class="listr"><?=$table['used'];?></td>
+			</tr>
+			<? } ?>
+			</table>
+			</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+		</tr>
+		<tr>
+			<td colspan="2" valign="top" class="listtopic">HAProxy stats</td>
+		</tr>
+		<tr>
+			<td colspan="2" valign="top" class="vncell"><a href="/haproxy_stats.php?haproxystats=1" target="_blank">Fullscreen stats page</a></td>
+		</tr>
+		<tr>
+		<td colspan="2"  class="listlr">
+		<? if (isset($pconfig['enable']) && $pconfig['localstatsport'] && is_numeric($pconfig['localstatsport'])){?>
+			<iframe id="frame_haproxy_stats" width="1000px" height="1500px" seamless=1 src="/haproxy_stats.php?haproxystats=1<?=$request;?>"></iframe>
+		<? } else { ?>
+			<br/>
+			In the "Settings" configure a internal stats port and enable haproxy for this to be functional.<br/>
+			<br/>
+		<? } ?>
+<?}?>		
+		</td>
+		</tr>
+		</table>
+	</div>
+	</td>
+	</tr>
+</table>
+<?php include("fend.inc"); ?>
+</body>
+</html>